Table 1.

Burst pressure medians for small and large diameter porcine carotid arteries with comparisons between Harmonic ACE^®+7 and LigaSure™ (comparisons were performed with a Mann–Whitney test)

Vessel diameter	LigaSure	Harmonic 7 power level 3	Harmonic 7 advanced hemostasis
3–5 mm	836 mmHg	1,078 mmHg P=0.046	1,314 mmHg P=0.001
5–7 mm	591 mmHg	NA	1,419 mmHg P<0.001

Notes: Harmonic ACE+7 (Ethicon Inc., Cincinnati, OH, USA). Ligasure (Covidien, Mansfield, MA, USA).